What if Mount Tambora never erupted in 1816?

The eruption lead to long term damage to Indonesia. On an economic level and a cultural level and a political level, including some climate change as well. What if it never erupted? I don't see all of world history changing too greatly. * Indonesi... read more

The year 1816 is known as the Year Without a Summer because of severe climate abnormalities that caused average global temperatures to decrease by 0.4–0.7 °C. This resulted in major food shortages across the Northern Hemisphere. Evidence suggests that the anomaly was predominantly a volcanic winter event caused by the massive 1815 eruption of Mount Tambora in the Dutch East Indies, perhaps exacerbated by the 1814 eruption of Mayon in the Philippines. read more

The 1815 eruption of Mount Tambora was one of the most powerful in recorded history, with a Volcanic Explosivity Index (VEI) of 7. It is the most recently known VEI-7 event and the only unambiguously confirmed VEI-7 eruption since the Lake Taupo eruption in about 180 AD. read more

Shortly after dawn, a light rain of ash provided evidence that a volcano somewhere in the region had erupted. Few suspected Mount Tambora. It was generally believed that Tambora was extinct, although natives living in the nearest village had reported rumblings from deep inside the mountain during the past year. read more